2,2-Bis(1-methylpropoxy)-1-phenylethan-1-one 2,2-Di(sec-butoxy)acetophenone 2,2-Di-sec-butoxyacetophenone 68109-57-9 CCRIS 5221 EINECS 268-476-4 Ethanone, 2,2-bis(1-methylpropoxy)-1-phenyl-